Results 251 to 260 of about 107,983 (304)

Higher Taxa of Basidiomycetes: An 18S Rrna Gene Perspective

Mycologia, 1993
ABSTRACTIn order to identify monophyletic groups and evaluate competing class level systems of classification, we sequenced the 18S rRNA gene from nine basidiomycetes.
Eric C. Swann, John W. Taylor
openaire   +3 more sources

Development of 18S rRNA gene arrays for forensic detection of diatoms

Forensic Science International, 2020
Diatom test is the most commonly used method to diagnose drowning in forensic laboratories. However, microscopic examination and identification of diatom frustules is time-consuming and requires taxonomic expertise. At present, the identification of drowning is still a challenge in forensic casework.
Lin, Jiang   +7 more
openaire   +2 more sources

Novelty in Phylogeny of Gastrotricha: Evidence from 18S rRNA Gene

Molecular Phylogenetics and Evolution, 1999
Gastrotricha form a phylum which is crucial for defining the origin of pseudocoelomates, in that they share a number of characters with Rotifera and Nematoda but also with acoelomates, and even the evolutionary relationships within the phylum are anything but defined.
WIRZ A   +4 more
openaire   +3 more sources

Geographical variation in 18S rRNA gene sequence of Cryptosporidium parvum

International Journal for Parasitology, 1994
Using 18S rRNA as a probe, an EcoR1 fragment containing 1507 nt of 18S rRNA from C. parvum was identified, cloned and sequenced. Comparison of this sequence with the partial sequence of the small subunit rRNA of Cryptosporidium published by Johnson, Fielke, Lumb & Baverstock (International Journal for Parasitology 20: 141-147, 1990) and 1516 bp of the ...
R T, Kilani, W M, Wenman
openaire   +2 more sources

ITS-2 and 18S rRNA gene phylogeny of Aplysinidae (Verongida, Demospongiae)

Journal of Molecular Evolution, 2005
18S ribosomal DNA and internal transcribed spacer 2 (ITS-2) full-length sequences, each of which was sequenced three times, were used to construct phylogenetic trees with alignments based on secondary structures, in order to elucidate genealogical relationships within the Aplysinidae (Verongida).
Susanne, Schmitt   +4 more
openaire   +2 more sources

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